From 6a77ec7bbe6ddbf663dce9529d11d1bb56c5489a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 13 Aug 2020 16:35:29 +0200
Subject: Rename ra_hir_ty -> hir_ty

---
 crates/hir_ty/src/primitive.rs | 139 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 crates/hir_ty/src/primitive.rs

(limited to 'crates/hir_ty/src/primitive.rs')

diff --git a/crates/hir_ty/src/primitive.rs b/crates/hir_ty/src/primitive.rs
new file mode 100644
index 000000000..37966b709
--- /dev/null
+++ b/crates/hir_ty/src/primitive.rs
@@ -0,0 +1,139 @@
+//! Defines primitive types, which have a couple of peculiarities:
+//!
+//! * during type inference, they can be uncertain (ie, `let x = 92;`)
+//! * they don't belong to any particular crate.
+
+use std::fmt;
+
+pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, FloatBitness, IntBitness, Signedness};
+
+#[derive(Copy, Clone, Eq, PartialEq, Hash)]
+pub struct IntTy {
+    pub signedness: Signedness,
+    pub bitness: IntBitness,
+}
+
+impl fmt::Debug for IntTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
+impl fmt::Display for IntTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.ty_to_string())
+    }
+}
+
+impl IntTy {
+    pub fn isize() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::Xsize }
+    }
+
+    pub fn i8() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::X8 }
+    }
+
+    pub fn i16() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::X16 }
+    }
+
+    pub fn i32() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::X32 }
+    }
+
+    pub fn i64() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::X64 }
+    }
+
+    pub fn i128() -> IntTy {
+        IntTy { signedness: Signedness::Signed, bitness: IntBitness::X128 }
+    }
+
+    pub fn usize() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::Xsize }
+    }
+
+    pub fn u8() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X8 }
+    }
+
+    pub fn u16() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X16 }
+    }
+
+    pub fn u32() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X32 }
+    }
+
+    pub fn u64() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X64 }
+    }
+
+    pub fn u128() -> IntTy {
+        IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X128 }
+    }
+
+    pub fn ty_to_string(self) -> &'static str {
+        match (self.signedness, self.bitness) {
+            (Signedness::Signed, IntBitness::Xsize) => "isize",
+            (Signedness::Signed, IntBitness::X8) => "i8",
+            (Signedness::Signed, IntBitness::X16) => "i16",
+            (Signedness::Signed, IntBitness::X32) => "i32",
+            (Signedness::Signed, IntBitness::X64) => "i64",
+            (Signedness::Signed, IntBitness::X128) => "i128",
+            (Signedness::Unsigned, IntBitness::Xsize) => "usize",
+            (Signedness::Unsigned, IntBitness::X8) => "u8",
+            (Signedness::Unsigned, IntBitness::X16) => "u16",
+            (Signedness::Unsigned, IntBitness::X32) => "u32",
+            (Signedness::Unsigned, IntBitness::X64) => "u64",
+            (Signedness::Unsigned, IntBitness::X128) => "u128",
+        }
+    }
+}
+
+#[derive(Copy, Clone, PartialEq, Eq, Hash)]
+pub struct FloatTy {
+    pub bitness: FloatBitness,
+}
+
+impl fmt::Debug for FloatTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
+impl fmt::Display for FloatTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.ty_to_string())
+    }
+}
+
+impl FloatTy {
+    pub fn f32() -> FloatTy {
+        FloatTy { bitness: FloatBitness::X32 }
+    }
+
+    pub fn f64() -> FloatTy {
+        FloatTy { bitness: FloatBitness::X64 }
+    }
+
+    pub fn ty_to_string(self) -> &'static str {
+        match self.bitness {
+            FloatBitness::X32 => "f32",
+            FloatBitness::X64 => "f64",
+        }
+    }
+}
+
+impl From<BuiltinInt> for IntTy {
+    fn from(t: BuiltinInt) -> Self {
+        IntTy { signedness: t.signedness, bitness: t.bitness }
+    }
+}
+
+impl From<BuiltinFloat> for FloatTy {
+    fn from(t: BuiltinFloat) -> Self {
+        FloatTy { bitness: t.bitness }
+    }
+}
-- 
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